13385840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 34226976

約数和(自身を除く): 20841136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 211, 244, 260, 305, 422, 488, 520, 610, 793, 844, 976, 1040, 1055, 1220, 1586, 1688, 2110, 2440, 2743, 3172, 3376, 3965, 4220, 4880, 5486, 6344, 7930, 8440, 10972, 12688, 12871, 13715, 15860, 16880, 21944, 25742, 27430, 31720, 43888, 51484, 54860, 63440, 64355, 102968, 109720, 128710, 167323, 205936, 219440, 257420, 334646, 514840, 669292, 836615, 1029680, 1338584, 1673230, 2677168, 3346460, 6692920, 13385840]

約数ペア:

[(1, 13385840), (2, 6692920), (4, 3346460), (5, 2677168), (8, 1673230), (10, 1338584), (13, 1029680), (16, 836615), (20, 669292), (26, 514840), (40, 334646), (52, 257420), (61, 219440), (65, 205936), (80, 167323), (104, 128710), (122, 109720), (130, 102968), (208, 64355), (211, 63440), (244, 54860), (260, 51484), (305, 43888), (422, 31720), (488, 27430), (520, 25742), (610, 21944), (793, 16880), (844, 15860), (976, 13715), (1040, 12871), (1055, 12688), (1220, 10972), (1586, 8440), (1688, 7930), (2110, 6344), (2440, 5486), (2743, 4880), (3172, 4220), (3376, 3965)]