64117280

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7561}}^1$

素因数の和:7629

約数の個数: 48

約数和(自身を含む): 154355544

約数和(自身を除く): 90238264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 7561, 8480, 15122, 30244, 37805, 60488, 75610, 120976, 151220, 241952, 302440, 400733, 604880, 801466, 1209760, 1602932, 2003665, 3205864, 4007330, 6411728, 8014660, 12823456, 16029320, 32058640, 64117280]

約数ペア:

[(1, 64117280), (2, 32058640), (4, 16029320), (5, 12823456), (8, 8014660), (10, 6411728), (16, 4007330), (20, 3205864), (32, 2003665), (40, 1602932), (53, 1209760), (80, 801466), (106, 604880), (160, 400733), (212, 302440), (265, 241952), (424, 151220), (530, 120976), (848, 75610), (1060, 60488), (1696, 37805), (2120, 30244), (4240, 15122), (7561, 8480)]