807765760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20357}}^1$

素因数の和:20409

約数の個数: 72

約数和(自身を含む): 1997364096

約数和(自身を除く): 1189598336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 20357, 39680, 40714, 81428, 101785, 162856, 203570, 325712, 407140, 631067, 651424, 814280, 1262134, 1302848, 1628560, 2524268, 2605696, 3155335, 3257120, 5048536, 5211392, 6310670, 6514240, 10097072, 12621340, 13028480, 20194144, 25242680, 26056960, 40388288, 50485360, 80776576, 100970720, 161553152, 201941440, 403882880, 807765760]

約数ペア:

[(1, 807765760), (2, 403882880), (4, 201941440), (5, 161553152), (8, 100970720), (10, 80776576), (16, 50485360), (20, 40388288), (31, 26056960), (32, 25242680), (40, 20194144), (62, 13028480), (64, 12621340), (80, 10097072), (124, 6514240), (128, 6310670), (155, 5211392), (160, 5048536), (248, 3257120), (256, 3155335), (310, 2605696), (320, 2524268), (496, 1628560), (620, 1302848), (640, 1262134), (992, 814280), (1240, 651424), (1280, 631067), (1984, 407140), (2480, 325712), (3968, 203570), (4960, 162856), (7936, 101785), (9920, 81428), (19840, 40714), (20357, 39680)]