2540654350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{205721}}^1$

素因数の和:205765

約数の個数: 48

約数和(自身を含む): 5357000880

約数和(自身を除く): 2816346530

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 12350, 205721, 411442, 1028605, 2057210, 2674373, 3908699, 5143025, 5348746, 7817398, 10286050, 13371865, 19543495, 26743730, 39086990, 50813087, 66859325, 97717475, 101626174, 133718650, 195434950, 254065435, 508130870, 1270327175, 2540654350]

約数ペア:

[(1, 2540654350), (2, 1270327175), (5, 508130870), (10, 254065435), (13, 195434950), (19, 133718650), (25, 101626174), (26, 97717475), (38, 66859325), (50, 50813087), (65, 39086990), (95, 26743730), (130, 19543495), (190, 13371865), (247, 10286050), (325, 7817398), (475, 5348746), (494, 5143025), (650, 3908699), (950, 2674373), (1235, 2057210), (2470, 1028605), (6175, 411442), (12350, 205721)]