25339900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 57746304

約数和(自身を除く): 32406404

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 71, 83, 86, 100, 142, 166, 172, 215, 284, 332, 355, 415, 430, 710, 830, 860, 1075, 1420, 1660, 1775, 2075, 2150, 3053, 3550, 3569, 4150, 4300, 5893, 6106, 7100, 7138, 8300, 11786, 12212, 14276, 15265, 17845, 23572, 29465, 30530, 35690, 58930, 61060, 71380, 76325, 89225, 117860, 147325, 152650, 178450, 253399, 294650, 305300, 356900, 506798, 589300, 1013596, 1266995, 2533990, 5067980, 6334975, 12669950, 25339900]

約数ペア:

[(1, 25339900), (2, 12669950), (4, 6334975), (5, 5067980), (10, 2533990), (20, 1266995), (25, 1013596), (43, 589300), (50, 506798), (71, 356900), (83, 305300), (86, 294650), (100, 253399), (142, 178450), (166, 152650), (172, 147325), (215, 117860), (284, 89225), (332, 76325), (355, 71380), (415, 61060), (430, 58930), (710, 35690), (830, 30530), (860, 29465), (1075, 23572), (1420, 17845), (1660, 15265), (1775, 14276), (2075, 12212), (2150, 11786), (3053, 8300), (3550, 7138), (3569, 7100), (4150, 6106), (4300, 5893)]