25307680

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2593}}^1$

素因数の和:2669

約数の個数: 48

約数和(自身を含む): 60792984

約数和(自身を除く): 35485304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 2593, 4880, 5186, 9760, 10372, 12965, 20744, 25930, 41488, 51860, 82976, 103720, 158173, 207440, 316346, 414880, 632692, 790865, 1265384, 1581730, 2530768, 3163460, 5061536, 6326920, 12653840, 25307680]

約数ペア:

[(1, 25307680), (2, 12653840), (4, 6326920), (5, 5061536), (8, 3163460), (10, 2530768), (16, 1581730), (20, 1265384), (32, 790865), (40, 632692), (61, 414880), (80, 316346), (122, 207440), (160, 158173), (244, 103720), (305, 82976), (488, 51860), (610, 41488), (976, 25930), (1220, 20744), (1952, 12965), (2440, 10372), (2593, 9760), (4880, 5186)]