79984340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 185794560

約数和(自身を除く): 105810220

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 71, 79, 92, 115, 124, 142, 155, 158, 230, 284, 310, 316, 355, 395, 460, 620, 710, 713, 790, 1420, 1426, 1580, 1633, 1817, 2201, 2449, 2852, 3266, 3565, 3634, 4402, 4898, 5609, 6532, 7130, 7268, 8165, 8804, 9085, 9796, 11005, 11218, 12245, 14260, 16330, 18170, 22010, 22436, 24490, 28045, 32660, 36340, 44020, 48980, 50623, 56090, 56327, 101246, 112180, 112654, 129007, 173879, 202492, 225308, 253115, 258014, 281635, 347758, 506230, 516028, 563270, 645035, 695516, 869395, 1012460, 1126540, 1290070, 1738790, 2580140, 3477580, 3999217, 7998434, 15996868, 19996085, 39992170, 79984340]

約数ペア:

[(1, 79984340), (2, 39992170), (4, 19996085), (5, 15996868), (10, 7998434), (20, 3999217), (23, 3477580), (31, 2580140), (46, 1738790), (62, 1290070), (71, 1126540), (79, 1012460), (92, 869395), (115, 695516), (124, 645035), (142, 563270), (155, 516028), (158, 506230), (230, 347758), (284, 281635), (310, 258014), (316, 253115), (355, 225308), (395, 202492), (460, 173879), (620, 129007), (710, 112654), (713, 112180), (790, 101246), (1420, 56327), (1426, 56090), (1580, 50623), (1633, 48980), (1817, 44020), (2201, 36340), (2449, 32660), (2852, 28045), (3266, 24490), (3565, 22436), (3634, 22010), (4402, 18170), (4898, 16330), (5609, 14260), (6532, 12245), (7130, 11218), (7268, 11005), (8165, 9796), (8804, 9085)]