25416680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 36013720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 631, 760, 1007, 1060, 1262, 2014, 2120, 2524, 3155, 4028, 5035, 5048, 6310, 8056, 10070, 11989, 12620, 20140, 23978, 25240, 33443, 40280, 47956, 59945, 66886, 95912, 119890, 133772, 167215, 239780, 267544, 334430, 479560, 635417, 668860, 1270834, 1337720, 2541668, 3177085, 5083336, 6354170, 12708340, 25416680]

約数ペア:

[(1, 25416680), (2, 12708340), (4, 6354170), (5, 5083336), (8, 3177085), (10, 2541668), (19, 1337720), (20, 1270834), (38, 668860), (40, 635417), (53, 479560), (76, 334430), (95, 267544), (106, 239780), (152, 167215), (190, 133772), (212, 119890), (265, 95912), (380, 66886), (424, 59945), (530, 47956), (631, 40280), (760, 33443), (1007, 25240), (1060, 23978), (1262, 20140), (2014, 12620), (2120, 11989), (2524, 10070), (3155, 8056), (4028, 6310), (5035, 5048)]