40383980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22189}}^1$

素因数の和:22218

約数の個数: 48

約数和(自身を含む): 104381760

約数和(自身を除く): 63997780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 22189, 44378, 88756, 110945, 155323, 221890, 288457, 310646, 443780, 576914, 621292, 776615, 1153828, 1442285, 1553230, 2019199, 2884570, 3106460, 4038398, 5769140, 8076796, 10095995, 20191990, 40383980]

約数ペア:

[(1, 40383980), (2, 20191990), (4, 10095995), (5, 8076796), (7, 5769140), (10, 4038398), (13, 3106460), (14, 2884570), (20, 2019199), (26, 1553230), (28, 1442285), (35, 1153828), (52, 776615), (65, 621292), (70, 576914), (91, 443780), (130, 310646), (140, 288457), (182, 221890), (260, 155323), (364, 110945), (455, 88756), (910, 44378), (1820, 22189)]