20189076700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2707}}^1\times {\mathrm{5737}}^1$

素因数の和:8471

約数の個数: 72

約数和(自身を含む): 47205975152

約数和(自身を除く): 27016898452

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 2707, 5414, 5737, 10828, 11474, 13535, 22948, 27070, 28685, 35191, 54140, 57370, 67675, 70382, 74581, 114740, 135350, 140764, 143425, 149162, 175955, 270700, 286850, 298324, 351910, 372905, 573700, 703820, 745810, 879775, 1491620, 1759550, 1864525, 3519100, 3729050, 7458100, 15530059, 31060118, 62120236, 77650295, 155300590, 201890767, 310601180, 388251475, 403781534, 776502950, 807563068, 1009453835, 1553005900, 2018907670, 4037815340, 5047269175, 10094538350, 20189076700]

約数ペア:

[(1, 20189076700), (2, 10094538350), (4, 5047269175), (5, 4037815340), (10, 2018907670), (13, 1553005900), (20, 1009453835), (25, 807563068), (26, 776502950), (50, 403781534), (52, 388251475), (65, 310601180), (100, 201890767), (130, 155300590), (260, 77650295), (325, 62120236), (650, 31060118), (1300, 15530059), (2707, 7458100), (5414, 3729050), (5737, 3519100), (10828, 1864525), (11474, 1759550), (13535, 1491620), (22948, 879775), (27070, 745810), (28685, 703820), (35191, 573700), (54140, 372905), (57370, 351910), (67675, 298324), (70382, 286850), (74581, 270700), (114740, 175955), (135350, 149162), (140764, 143425)]