71953840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128489}}^1$

素因数の和:128509

約数の個数: 40

約数和(自身を含む): 191193120

約数和(自身を除く): 119239280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128489, 256978, 513956, 642445, 899423, 1027912, 1284890, 1798846, 2055824, 2569780, 3597692, 4497115, 5139560, 7195384, 8994230, 10279120, 14390768, 17988460, 35976920, 71953840]

約数ペア:

[(1, 71953840), (2, 35976920), (4, 17988460), (5, 14390768), (7, 10279120), (8, 8994230), (10, 7195384), (14, 5139560), (16, 4497115), (20, 3597692), (28, 2569780), (35, 2055824), (40, 1798846), (56, 1284890), (70, 1027912), (80, 899423), (112, 642445), (140, 513956), (280, 256978), (560, 128489)]