201968260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776801}}^1$

素因数の和:776823

約数の個数: 24

約数和(自身を含む): 456759576

約数和(自身を除く): 254791316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776801, 1553602, 3107204, 3884005, 7768010, 10098413, 15536020, 20196826, 40393652, 50492065, 100984130, 201968260]

約数ペア:

[(1, 201968260), (2, 100984130), (4, 50492065), (5, 40393652), (10, 20196826), (13, 15536020), (20, 10098413), (26, 7768010), (52, 3884005), (65, 3107204), (130, 1553602), (260, 776801)]