38826880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 101836800

約数和(自身を除く): 63009920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 103, 124, 128, 152, 155, 160, 190, 206, 248, 304, 310, 320, 380, 412, 496, 515, 589, 608, 620, 640, 760, 824, 992, 1030, 1178, 1216, 1240, 1520, 1648, 1957, 1984, 2060, 2356, 2432, 2480, 2945, 3040, 3193, 3296, 3914, 3968, 4120, 4712, 4960, 5890, 6080, 6386, 6592, 7828, 8240, 9424, 9785, 9920, 11780, 12160, 12772, 13184, 15656, 15965, 16480, 18848, 19570, 19840, 23560, 25544, 31312, 31930, 32960, 37696, 39140, 47120, 51088, 60667, 62624, 63860, 65920, 75392, 78280, 94240, 102176, 121334, 125248, 127720, 156560, 188480, 204352, 242668, 250496, 255440, 303335, 313120, 376960, 408704, 485336, 510880, 606670, 626240, 970672, 1021760, 1213340, 1252480, 1941344, 2043520, 2426680, 3882688, 4853360, 7765376, 9706720, 19413440, 38826880]

約数ペア:

[(1, 38826880), (2, 19413440), (4, 9706720), (5, 7765376), (8, 4853360), (10, 3882688), (16, 2426680), (19, 2043520), (20, 1941344), (31, 1252480), (32, 1213340), (38, 1021760), (40, 970672), (62, 626240), (64, 606670), (76, 510880), (80, 485336), (95, 408704), (103, 376960), (124, 313120), (128, 303335), (152, 255440), (155, 250496), (160, 242668), (190, 204352), (206, 188480), (248, 156560), (304, 127720), (310, 125248), (320, 121334), (380, 102176), (412, 94240), (496, 78280), (515, 75392), (589, 65920), (608, 63860), (620, 62624), (640, 60667), (760, 51088), (824, 47120), (992, 39140), (1030, 37696), (1178, 32960), (1216, 31930), (1240, 31312), (1520, 25544), (1648, 23560), (1957, 19840), (1984, 19570), (2060, 18848), (2356, 16480), (2432, 15965), (2480, 15656), (2945, 13184), (3040, 12772), (3193, 12160), (3296, 11780), (3914, 9920), (3968, 9785), (4120, 9424), (4712, 8240), (4960, 7828), (5890, 6592), (6080, 6386)]