28726240

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 72394560

約数和(自身を除く): 43668320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 80, 82, 116, 145, 151, 160, 164, 205, 232, 290, 302, 328, 410, 464, 580, 604, 656, 755, 820, 928, 1160, 1189, 1208, 1312, 1510, 1640, 2320, 2378, 2416, 3020, 3280, 4379, 4640, 4756, 4832, 5945, 6040, 6191, 6560, 8758, 9512, 11890, 12080, 12382, 17516, 19024, 21895, 23780, 24160, 24764, 30955, 35032, 38048, 43790, 47560, 49528, 61910, 70064, 87580, 95120, 99056, 123820, 140128, 175160, 179539, 190240, 198112, 247640, 350320, 359078, 495280, 700640, 718156, 897695, 990560, 1436312, 1795390, 2872624, 3590780, 5745248, 7181560, 14363120, 28726240]

約数ペア:

[(1, 28726240), (2, 14363120), (4, 7181560), (5, 5745248), (8, 3590780), (10, 2872624), (16, 1795390), (20, 1436312), (29, 990560), (32, 897695), (40, 718156), (41, 700640), (58, 495280), (80, 359078), (82, 350320), (116, 247640), (145, 198112), (151, 190240), (160, 179539), (164, 175160), (205, 140128), (232, 123820), (290, 99056), (302, 95120), (328, 87580), (410, 70064), (464, 61910), (580, 49528), (604, 47560), (656, 43790), (755, 38048), (820, 35032), (928, 30955), (1160, 24764), (1189, 24160), (1208, 23780), (1312, 21895), (1510, 19024), (1640, 17516), (2320, 12382), (2378, 12080), (2416, 11890), (3020, 9512), (3280, 8758), (4379, 6560), (4640, 6191), (4756, 6040), (4832, 5945)]