72408440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8191}}^1$

素因数の和:8232

約数の個数: 64

約数和(自身を含む): 185794560

約数和(自身を除く): 113386120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8191, 8840, 16382, 32764, 40955, 65528, 81910, 106483, 139247, 163820, 212966, 278494, 327640, 425932, 532415, 556988, 696235, 851864, 1064830, 1113976, 1392470, 1810211, 2129660, 2784940, 3620422, 4259320, 5569880, 7240844, 9051055, 14481688, 18102110, 36204220, 72408440]

約数ペア:

[(1, 72408440), (2, 36204220), (4, 18102110), (5, 14481688), (8, 9051055), (10, 7240844), (13, 5569880), (17, 4259320), (20, 3620422), (26, 2784940), (34, 2129660), (40, 1810211), (52, 1392470), (65, 1113976), (68, 1064830), (85, 851864), (104, 696235), (130, 556988), (136, 532415), (170, 425932), (221, 327640), (260, 278494), (340, 212966), (442, 163820), (520, 139247), (680, 106483), (884, 81910), (1105, 65528), (1768, 40955), (2210, 32764), (4420, 16382), (8191, 8840)]