2018954600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{776521}}^1$

素因数の和:776550

約数の個数: 48

約数和(自身を含む): 5055158220

約数和(自身を除く): 3036203620

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 776521, 1553042, 3106084, 3882605, 6212168, 7765210, 10094773, 15530420, 19413025, 20189546, 31060840, 38826050, 40379092, 50473865, 77652100, 80758184, 100947730, 155304200, 201895460, 252369325, 403790920, 504738650, 1009477300, 2018954600]

約数ペア:

[(1, 2018954600), (2, 1009477300), (4, 504738650), (5, 403790920), (8, 252369325), (10, 201895460), (13, 155304200), (20, 100947730), (25, 80758184), (26, 77652100), (40, 50473865), (50, 40379092), (52, 38826050), (65, 31060840), (100, 20189546), (104, 19413025), (130, 15530420), (200, 10094773), (260, 7765210), (325, 6212168), (520, 3882605), (650, 3106084), (1300, 1553042), (2600, 776521)]