25385330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 51874560

約数和(自身を除く): 26489230

約数列:

[1, 2, 5, 10, 19, 23, 37, 38, 46, 74, 95, 115, 157, 185, 190, 230, 314, 370, 437, 703, 785, 851, 874, 1406, 1570, 1702, 2185, 2983, 3515, 3611, 4255, 4370, 5809, 5966, 7030, 7222, 8510, 11618, 14915, 16169, 18055, 29045, 29830, 32338, 36110, 58090, 68609, 80845, 110371, 133607, 137218, 161690, 220742, 267214, 343045, 551855, 668035, 686090, 1103710, 1336070, 2538533, 5077066, 12692665, 25385330]

約数ペア:

[(1, 25385330), (2, 12692665), (5, 5077066), (10, 2538533), (19, 1336070), (23, 1103710), (37, 686090), (38, 668035), (46, 551855), (74, 343045), (95, 267214), (115, 220742), (157, 161690), (185, 137218), (190, 133607), (230, 110371), (314, 80845), (370, 68609), (437, 58090), (703, 36110), (785, 32338), (851, 29830), (874, 29045), (1406, 18055), (1570, 16169), (1702, 14915), (2185, 11618), (2983, 8510), (3515, 7222), (3611, 7030), (4255, 5966), (4370, 5809)]