51820840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 127411200

約数和(自身を除く): 75590360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 79, 92, 115, 124, 155, 158, 184, 230, 248, 310, 316, 395, 460, 529, 620, 632, 713, 790, 920, 1058, 1240, 1426, 1580, 1817, 2116, 2449, 2645, 2852, 3160, 3565, 3634, 4232, 4898, 5290, 5704, 7130, 7268, 9085, 9796, 10580, 12245, 14260, 14536, 16399, 18170, 19592, 21160, 24490, 28520, 32798, 36340, 41791, 48980, 56327, 65596, 72680, 81995, 83582, 97960, 112654, 131192, 163990, 167164, 208955, 225308, 281635, 327980, 334328, 417910, 450616, 563270, 655960, 835820, 1126540, 1295521, 1671640, 2253080, 2591042, 5182084, 6477605, 10364168, 12955210, 25910420, 51820840]

約数ペア:

[(1, 51820840), (2, 25910420), (4, 12955210), (5, 10364168), (8, 6477605), (10, 5182084), (20, 2591042), (23, 2253080), (31, 1671640), (40, 1295521), (46, 1126540), (62, 835820), (79, 655960), (92, 563270), (115, 450616), (124, 417910), (155, 334328), (158, 327980), (184, 281635), (230, 225308), (248, 208955), (310, 167164), (316, 163990), (395, 131192), (460, 112654), (529, 97960), (620, 83582), (632, 81995), (713, 72680), (790, 65596), (920, 56327), (1058, 48980), (1240, 41791), (1426, 36340), (1580, 32798), (1817, 28520), (2116, 24490), (2449, 21160), (2645, 19592), (2852, 18170), (3160, 16399), (3565, 14536), (3634, 14260), (4232, 12245), (4898, 10580), (5290, 9796), (5704, 9085), (7130, 7268)]