69827920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 169520400

約数和(自身を除く): 99692480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 164, 205, 244, 305, 328, 349, 410, 488, 610, 656, 698, 820, 976, 1220, 1396, 1640, 1745, 2440, 2501, 2792, 3280, 3490, 4880, 5002, 5584, 6980, 10004, 12505, 13960, 14309, 20008, 21289, 25010, 27920, 28618, 40016, 42578, 50020, 57236, 71545, 85156, 100040, 106445, 114472, 143090, 170312, 200080, 212890, 228944, 286180, 340624, 425780, 572360, 851560, 872849, 1144720, 1703120, 1745698, 3491396, 4364245, 6982792, 8728490, 13965584, 17456980, 34913960, 69827920]

約数ペア:

[(1, 69827920), (2, 34913960), (4, 17456980), (5, 13965584), (8, 8728490), (10, 6982792), (16, 4364245), (20, 3491396), (40, 1745698), (41, 1703120), (61, 1144720), (80, 872849), (82, 851560), (122, 572360), (164, 425780), (205, 340624), (244, 286180), (305, 228944), (328, 212890), (349, 200080), (410, 170312), (488, 143090), (610, 114472), (656, 106445), (698, 100040), (820, 85156), (976, 71545), (1220, 57236), (1396, 50020), (1640, 42578), (1745, 40016), (2440, 28618), (2501, 27920), (2792, 25010), (3280, 21289), (3490, 20008), (4880, 14309), (5002, 13960), (5584, 12505), (6980, 10004)]