15674991020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{460217}}^1$

素因数の和:460370

約数の個数: 48

約数和(自身を含む): 35720280288

約数和(自身を除く): 20045289268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 34060, 460217, 920434, 1840868, 2301085, 4602170, 5982821, 9204340, 11965642, 23931284, 29914105, 59828210, 60288427, 119656420, 120576854, 241153708, 301442135, 602884270, 783749551, 1205768540, 1567499102, 3134998204, 3918747755, 7837495510, 15674991020]

約数ペア:

[(1, 15674991020), (2, 7837495510), (4, 3918747755), (5, 3134998204), (10, 1567499102), (13, 1205768540), (20, 783749551), (26, 602884270), (52, 301442135), (65, 241153708), (130, 120576854), (131, 119656420), (260, 60288427), (262, 59828210), (524, 29914105), (655, 23931284), (1310, 11965642), (1703, 9204340), (2620, 5982821), (3406, 4602170), (6812, 2301085), (8515, 1840868), (17030, 920434), (34060, 460217)]