47135920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 120117312

約数和(自身を除く): 72981392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 743, 793, 976, 1040, 1220, 1486, 1586, 2440, 2972, 3172, 3715, 3965, 4880, 5944, 6344, 7430, 7930, 9659, 11888, 12688, 14860, 15860, 19318, 29720, 31720, 38636, 45323, 48295, 59440, 63440, 77272, 90646, 96590, 154544, 181292, 193180, 226615, 362584, 386360, 453230, 589199, 725168, 772720, 906460, 1178398, 1812920, 2356796, 2945995, 3625840, 4713592, 5891990, 9427184, 11783980, 23567960, 47135920]

約数ペア:

[(1, 47135920), (2, 23567960), (4, 11783980), (5, 9427184), (8, 5891990), (10, 4713592), (13, 3625840), (16, 2945995), (20, 2356796), (26, 1812920), (40, 1178398), (52, 906460), (61, 772720), (65, 725168), (80, 589199), (104, 453230), (122, 386360), (130, 362584), (208, 226615), (244, 193180), (260, 181292), (305, 154544), (488, 96590), (520, 90646), (610, 77272), (743, 63440), (793, 59440), (976, 48295), (1040, 45323), (1220, 38636), (1486, 31720), (1586, 29720), (2440, 19318), (2972, 15860), (3172, 14860), (3715, 12688), (3965, 11888), (4880, 9659), (5944, 7930), (6344, 7430)]