28884560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 73090560

約数和(自身を除く): 44206000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 613, 620, 760, 1178, 1226, 1240, 1520, 2356, 2452, 2480, 2945, 3065, 4712, 4904, 5890, 6130, 9424, 9808, 11647, 11780, 12260, 19003, 23294, 23560, 24520, 38006, 46588, 47120, 49040, 58235, 76012, 93176, 95015, 116470, 152024, 186352, 190030, 232940, 304048, 361057, 380060, 465880, 722114, 760120, 931760, 1444228, 1520240, 1805285, 2888456, 3610570, 5776912, 7221140, 14442280, 28884560]

約数ペア:

[(1, 28884560), (2, 14442280), (4, 7221140), (5, 5776912), (8, 3610570), (10, 2888456), (16, 1805285), (19, 1520240), (20, 1444228), (31, 931760), (38, 760120), (40, 722114), (62, 465880), (76, 380060), (80, 361057), (95, 304048), (124, 232940), (152, 190030), (155, 186352), (190, 152024), (248, 116470), (304, 95015), (310, 93176), (380, 76012), (496, 58235), (589, 49040), (613, 47120), (620, 46588), (760, 38006), (1178, 24520), (1226, 23560), (1240, 23294), (1520, 19003), (2356, 12260), (2452, 11780), (2480, 11647), (2945, 9808), (3065, 9424), (4712, 6130), (4904, 5890)]