18442805320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{67339}}^1$

素因数の和:67558

約数の個数: 64

約数和(自身を含む): 42763593600

約数和(自身を除く): 24320788280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 167, 205, 328, 334, 410, 668, 820, 835, 1336, 1640, 1670, 3340, 6680, 6847, 13694, 27388, 34235, 54776, 67339, 68470, 134678, 136940, 269356, 273880, 336695, 538712, 673390, 1346780, 2693560, 2760899, 5521798, 11043596, 11245613, 13804495, 22087192, 22491226, 27608990, 44982452, 55217980, 56228065, 89964904, 110435960, 112456130, 224912260, 449824520, 461070133, 922140266, 1844280532, 2305350665, 3688561064, 4610701330, 9221402660, 18442805320]

約数ペア:

[(1, 18442805320), (2, 9221402660), (4, 4610701330), (5, 3688561064), (8, 2305350665), (10, 1844280532), (20, 922140266), (40, 461070133), (41, 449824520), (82, 224912260), (164, 112456130), (167, 110435960), (205, 89964904), (328, 56228065), (334, 55217980), (410, 44982452), (668, 27608990), (820, 22491226), (835, 22087192), (1336, 13804495), (1640, 11245613), (1670, 11043596), (3340, 5521798), (6680, 2760899), (6847, 2693560), (13694, 1346780), (27388, 673390), (34235, 538712), (54776, 336695), (67339, 273880), (68470, 269356), (134678, 136940)]