51996880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 139100472

約数和(自身を除く): 87103592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 173, 208, 221, 260, 272, 289, 340, 346, 442, 520, 578, 680, 692, 865, 884, 1040, 1105, 1156, 1360, 1384, 1445, 1730, 1768, 2210, 2249, 2312, 2768, 2890, 2941, 3460, 3536, 3757, 4420, 4498, 4624, 5780, 5882, 6920, 7514, 8840, 8996, 11245, 11560, 11764, 13840, 14705, 15028, 17680, 17992, 18785, 22490, 23120, 23528, 29410, 30056, 35984, 37570, 38233, 44980, 47056, 49997, 58820, 60112, 75140, 76466, 89960, 99994, 117640, 150280, 152932, 179920, 191165, 199988, 235280, 249985, 300560, 305864, 382330, 399976, 499970, 611728, 649961, 764660, 799952, 999940, 1299922, 1529320, 1999880, 2599844, 3058640, 3249805, 3999760, 5199688, 6499610, 10399376, 12999220, 25998440, 51996880]

約数ペア:

[(1, 51996880), (2, 25998440), (4, 12999220), (5, 10399376), (8, 6499610), (10, 5199688), (13, 3999760), (16, 3249805), (17, 3058640), (20, 2599844), (26, 1999880), (34, 1529320), (40, 1299922), (52, 999940), (65, 799952), (68, 764660), (80, 649961), (85, 611728), (104, 499970), (130, 399976), (136, 382330), (170, 305864), (173, 300560), (208, 249985), (221, 235280), (260, 199988), (272, 191165), (289, 179920), (340, 152932), (346, 150280), (442, 117640), (520, 99994), (578, 89960), (680, 76466), (692, 75140), (865, 60112), (884, 58820), (1040, 49997), (1105, 47056), (1156, 44980), (1360, 38233), (1384, 37570), (1445, 35984), (1730, 30056), (1768, 29410), (2210, 23528), (2249, 23120), (2312, 22490), (2768, 18785), (2890, 17992), (2941, 17680), (3460, 15028), (3536, 14705), (3757, 13840), (4420, 11764), (4498, 11560), (4624, 11245), (5780, 8996), (5882, 8840), (6920, 7514)]