42265840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 102627360

約数和(自身を除く): 60361520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 109, 131, 148, 185, 218, 262, 296, 370, 436, 524, 545, 592, 655, 740, 872, 1048, 1090, 1310, 1480, 1744, 2096, 2180, 2620, 2960, 4033, 4360, 4847, 5240, 8066, 8720, 9694, 10480, 14279, 16132, 19388, 20165, 24235, 28558, 32264, 38776, 40330, 48470, 57116, 64528, 71395, 77552, 80660, 96940, 114232, 142790, 161320, 193880, 228464, 285580, 322640, 387760, 528323, 571160, 1056646, 1142320, 2113292, 2641615, 4226584, 5283230, 8453168, 10566460, 21132920, 42265840]

約数ペア:

[(1, 42265840), (2, 21132920), (4, 10566460), (5, 8453168), (8, 5283230), (10, 4226584), (16, 2641615), (20, 2113292), (37, 1142320), (40, 1056646), (74, 571160), (80, 528323), (109, 387760), (131, 322640), (148, 285580), (185, 228464), (218, 193880), (262, 161320), (296, 142790), (370, 114232), (436, 96940), (524, 80660), (545, 77552), (592, 71395), (655, 64528), (740, 57116), (872, 48470), (1048, 40330), (1090, 38776), (1310, 32264), (1480, 28558), (1744, 24235), (2096, 20165), (2180, 19388), (2620, 16132), (2960, 14279), (4033, 10480), (4360, 9694), (4847, 8720), (5240, 8066)]