83416840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8443}}^1$

素因数の和:8486

約数の個数: 64

約数和(自身を含む): 212788800

約数和(自身を除く): 129371960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 8443, 9880, 16886, 33772, 42215, 67544, 84430, 109759, 160417, 168860, 219518, 320834, 337720, 439036, 548795, 641668, 802085, 878072, 1097590, 1283336, 1604170, 2085421, 2195180, 3208340, 4170842, 4390360, 6416680, 8341684, 10427105, 16683368, 20854210, 41708420, 83416840]

約数ペア:

[(1, 83416840), (2, 41708420), (4, 20854210), (5, 16683368), (8, 10427105), (10, 8341684), (13, 6416680), (19, 4390360), (20, 4170842), (26, 3208340), (38, 2195180), (40, 2085421), (52, 1604170), (65, 1283336), (76, 1097590), (95, 878072), (104, 802085), (130, 641668), (152, 548795), (190, 439036), (247, 337720), (260, 320834), (380, 219518), (494, 168860), (520, 160417), (760, 109759), (988, 84430), (1235, 67544), (1976, 42215), (2470, 33772), (4940, 16886), (8443, 9880)]