5198390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 9918720

約数和(自身を除く): 4720330

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 409, 410, 818, 1271, 2045, 2542, 4090, 6355, 12679, 12710, 16769, 25358, 33538, 63395, 83845, 126790, 167690, 519839, 1039678, 2599195, 5198390]

約数ペア:

[(1, 5198390), (2, 2599195), (5, 1039678), (10, 519839), (31, 167690), (41, 126790), (62, 83845), (82, 63395), (155, 33538), (205, 25358), (310, 16769), (409, 12710), (410, 12679), (818, 6355), (1271, 4090), (2045, 2542)]