409124560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6449}}^1$

素因数の和:6536

約数の個数: 80

約数和(自身を含む): 1041339600

約数和(自身を除く): 632215040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 6449, 7930, 12688, 12898, 15860, 25796, 31720, 32245, 51592, 63440, 64490, 83837, 103184, 128980, 167674, 257960, 335348, 393389, 419185, 515920, 670696, 786778, 838370, 1341392, 1573556, 1676740, 1966945, 3147112, 3353480, 3933890, 5114057, 6294224, 6706960, 7867780, 10228114, 15735560, 20456228, 25570285, 31471120, 40912456, 51140570, 81824912, 102281140, 204562280, 409124560]

約数ペア:

[(1, 409124560), (2, 204562280), (4, 102281140), (5, 81824912), (8, 51140570), (10, 40912456), (13, 31471120), (16, 25570285), (20, 20456228), (26, 15735560), (40, 10228114), (52, 7867780), (61, 6706960), (65, 6294224), (80, 5114057), (104, 3933890), (122, 3353480), (130, 3147112), (208, 1966945), (244, 1676740), (260, 1573556), (305, 1341392), (488, 838370), (520, 786778), (610, 670696), (793, 515920), (976, 419185), (1040, 393389), (1220, 335348), (1586, 257960), (2440, 167674), (3172, 128980), (3965, 103184), (4880, 83837), (6344, 64490), (6449, 63440), (7930, 51592), (12688, 32245), (12898, 31720), (15860, 25796)]