16005580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 34927200

約数和(自身を除く): 18921620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 149, 164, 205, 262, 298, 410, 524, 596, 655, 745, 820, 1310, 1490, 2620, 2980, 5371, 6109, 10742, 12218, 19519, 21484, 24436, 26855, 30545, 39038, 53710, 61090, 78076, 97595, 107420, 122180, 195190, 390380, 800279, 1600558, 3201116, 4001395, 8002790, 16005580]

約数ペア:

[(1, 16005580), (2, 8002790), (4, 4001395), (5, 3201116), (10, 1600558), (20, 800279), (41, 390380), (82, 195190), (131, 122180), (149, 107420), (164, 97595), (205, 78076), (262, 61090), (298, 53710), (410, 39038), (524, 30545), (596, 26855), (655, 24436), (745, 21484), (820, 19519), (1310, 12218), (1490, 10742), (2620, 6109), (2980, 5371)]